Stanley Upper Lake Dam
Stanley Upper Lake Dam is an earth dam located in Carroll County, Ohio, built in 1933. It carries a Significant hazard potential classification and has a poor condition assessment.
About Stanley Upper Lake Dam
The primary purpose of Stanley Upper Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mark Shrock (private). It impounds the Tributary To Conotton Creek near Leesville.
The dam stands 37 feet tall and stretches 635 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 114 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1933, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/28/2020.
At 37 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Ohio |
| County | Carroll |
| Nearest City | Leesville |
| River/Stream | Tributary To Conotton Creek |
| Coordinates | 40.44444, -81.23472 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 635 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 114 acre-ft |
| Max Storage | 114 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 17 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mark Shrock |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 07/28/2020 |
| Emergency Action Plan | No |
Identifiers
| NID ID | OH00461 |
| Federal ID | OH00461 |
| More Info | State Dam Safety Program |